The morning i went out to replace the pcv.
Crankcase vacuum tester.
The adapter supplied are 10mm 14mm be sure to check out my ebay store for more parts and accessories.
There is some argument about whether to do vac first and pressure second or pressure first and vac second.
Vacuum pressure testers cam correct crankcase vacuum pressure tester.
Next pull a vacuum on the crankcase and see if that holds.
Not wanting to replace the cover i ordered the pcv valve replacement from ecs.
8milelake fuel pump and vacuum tester gauge leak carburetor pressure diagnostics 422.
Price 19.
He verified this by doing the above linked test which showed no crankcase vacuum at idle.
Test kit for testing crankcase pressure vacuum leaks in 2 stroke chain saws trimmers blowers 2 stoke equipment must use a vacuum pressure pump with the rubber block offs and adapter note.